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1st Trimester > Gross Lab Practical > Flashcards

Gross Lab Practical Flashcards

(196 cards)

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1
Q

Pectoralis Major Origin

A
  1. Clavicle
  2. Sternum and upper ribs
  3. Tendon of the External Oblique muscle
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2
Q

Pectoralis Major Insertion

A
  1. Greater Tubercle

2. Inter-Tubercular Groove/Humerus

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3
Q

Pectoralis Major Actions

A
  1. ADduction and Medial Rotation of Humerus
  2. Forced Inspiration by elevating the rib cage when the humerus is fixed
  3. Clavicular Portion: Flexes Humerus at shoulder joint
  4. Sternocostal Portion: Extends Humerus at shoulder joint
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4
Q

Pectoralis Major Nerve Supply

A

Medial Pectoral Nerve

Lateral Pectoral Nerve

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5
Q

Pectoralis Minor Origin

A

Ribs 3-5

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6
Q

Pectoralis Minor Insertion

A

Coracoid Process

Scapula

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7
Q

Pectoralis Minor Actions

A
  1. Involved with protaction/ABduction of the scapula

2. Elevates ribcage and thus involved with forced inspiration

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8
Q

Pectoralis Minor Nerve Supply

A

Medial Pectoral Nerve

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9
Q

Subclavius Origin

A

First Rib

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10
Q

Subclavius Insertion

A

Subclavian Groove/ Clavicle

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11
Q

Subclavius Action

A
  1. Moves clavicle medially

2. Acts as a protective cushion between clavicle and subclavian vessels

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12
Q

Subclavius Nerve Supply

A

Nerve to the Subclavius

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13
Q

Trapezius Origin

A
  1. Superior nuchal line/occiput
  2. External occipital protuberance
  3. Ligamentum Nuchae
  4. Spines of C7-T12
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14
Q

Trapezius Insertions

A
  1. Clavicle

2. Acromion Process and Spine of Scapula

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15
Q

Trapezius Actions

A
  1. Stabilizes the scapula (holds it in normal anatomical position)
  2. Upper portion: elevates scapula
  3. Middle and Lower portions: ADducts scapula; depresses scapula
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16
Q

Trapezius Nerve Supply

A

Motor: Spinal Accesory nerve (CN XI)
Sensory: C3, C4

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17
Q

Rhomboid Major Origin

A

Spine/Upper Thoracics

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18
Q

Rhomboid Major Insertion

A

Vertebral Border/ Scapula

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19
Q

Rhomboid Major Actions

A
  1. Elevate and ADducts scapula

2. Helps stabilize scapula

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20
Q

Rhomboid Major Nerve Supply

A

Dorsal Scapular nerve

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21
Q

Rhomboid Minor Origin

A

C7 and T1 vertebrae

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22
Q

Rhomboid Minor Insertions

A

Vertebral border of the Scapula

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23
Q

Rhomboid Minor Actions

A
  1. Elevates and ADducts scapula

2. Helps stabilize the scapula

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24
Q

Rhomboid Minor Nerve Supply

A

Dorsal Scapular Nerve

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25
Levator Scapula Origin
Transverse processes of upper cervical vertebrae
26
Levator Scapula Insertions
Upper medial border and superior angle of the Scapula
27
Levator Scapula Actions
1. Elevates scapula 2. ADducts scapula 3. Stabilizes scapula
28
Levator Scapula Nerve Supply
Dorsal Scapular Nerve
29
Latissimus Dorsi Origin
1. Spines of Lower Thoracic and Lumar Vertebrae 2. Thoracodorsal Fascia 3. Crest of the Ilium 4. Lower Ribs
30
Latissimus Dorsi Insertion
Intertubercular Groove (Lesser Tubercle)
31
Latissimus Dorsi Actions
1. Extends, adduct and medially rotates the humerus | 2. Involved in forced expiration
32
Latissimus Dorsi Nerve Supply
Thoracodorsal nerve
33
Serratus Anterior Origin
Upper 8 or 9 ribs
34
Serratus Anterior Insertion
Vertebral border of the scapula
35
Serratus Anterior Actions
1. ABduction and Protraction of scapula 2. Stabilizes the scapula 3. Involved with forced respiration (only when humerus is aBducted)
36
Serratus Anterior Nerve Supply
Long Thoracic Nerve
37
Deltoid Origin
1. Anterior/clavicular portion from clavicle 2. Middle/acromial portion from the acromion process of scapula 3. Posterior/Spinous portion
38
Deltoid Insertion
1. Deltoid | 2. Tuberosity of Humerus
39
Deltoid Actions
1. Anterior portion: Flexes and Medially rotates arm 2. Middle portion: ABducts arm 3. Posterior portion: Extends and Laterally rotates arm
40
Deltoid Innervation
Axillary nerve
41
Supraspinatus Origin
Supraspinous fossa of scapula
42
Supraspinatus Insertion
Geater tuberosity of the humerus
43
Supraspinatus Actions
1. Initiates ABduction of the arm 2. Helps laterally rotate humerus 3. Helps stabilize shoulder joint
44
Supraspinatus Innervation
Suprascapular nerve
45
Infraspinatus Origin
Infraspinous fossa of the scapula
46
Infraspinatus Insertion
Greater Tuberosity of the Humerus
47
Infraspinatus Actions
1. Laterally rotates humerus | 2. Stabilizes shoulder joint
48
Infraspinatus Innervation
Suprascapular nerve
49
Subscapularis Origin
Subscapular fossa of the Scapula
50
Subscapularis Insertion
Lesser Tuberosity of the Humerus
51
Subscapularis Actions
1. Medially rotates humerus | 2. Stabilizes shoulder joint
52
Subscapularis Innervation
Upper and Lower Subscapular nerve
53
Teres Major Origin
Inferior angle of the Scapula
54
Teres Major Insertion
Interbercular groove (lesser tuberosity)
55
Teres Major Actions
1. ADducts humerus 2. Stabilizes shoulder joint 3. Medially rotates Humerus
56
Teres Major Innervation
Lower Subscapular Nerve
57
Teres Minor Origin
Axillary border of the scapula
58
Teres Minor Insertion
Greater Tuberosity of the Humerus
59
Teres Minor Actions
1. Laterally rotates humerus | 2. Stabilizes shoulder joint
60
Teres Minor Innervation
Axillary nerve
61
Biceps Brachii Origin
Short head: Coracoid Process of the Scapula | Long Head: Supraglenoid tubercle of the scapula
62
Biceps Brachii Insertion
1. Tuberosity of the Radius | 2. Shaft of the Ulna
63
Biceps Brachii Actions
1. Flexion of forearm | 2. Supinates the Radius (Prime Mover)
64
Biceps Brachii Innervation
Musculocutaneous Nerve
65
Coracobrachialis Origin
Coracoid porcess of the Scapula
66
Coracobrachialis Insertion
Shaft of the Humerus
67
Coracobrachialis Actions
1. Flex and weak ADduction of arm (shoulder joint) | 2. Stabilizes shoulder joint
68
Coracobrachialis Innervation
Musculocutaneous Nerve
69
Brachialis Origin
Shaft of the humerus
70
Brachialis Insertion
Ulnar tuberosity and Coronoid process of the Ulna
71
Brachialis Actions
Flexes forearm (equal prime mover)
72
Brachialis Innervation
Musculocutaneous Nerve
73
Triceps Brachii Origin
Long Head: Infraglenoid tubercle of the Scapula Lateral Head: Shaft of the Humerus Medial Head: Shaft of the Humerus
74
Triceps Brachii Insertion
Olecranon Process of the Ulna
75
Triceps Brachii Actions
Extension of the forearm
76
Triceps Brachii Innervation
Radial Nerve
77
Pronator Teres Origin
1. Medial Epicondyle of the Humerus | 2. Coronoid Process of the Ulna
78
Pronator Teres Insertion
Pronator Ridge of the Radius
79
Pronator Teres Actions
1. Pronates forearm at superior radioulnar joint | 2. Assists flexion at elbow joint
80
Pronator Teres Innervation
Median Nerve
81
Flexor Carpi Radialis Origin
Medial Epicondyle of the Humerus
82
Flexor Carpi Radialis Insertion
2nd metacarpal with small slip to 3rd metacarpal
83
Flexor Carpi Radialis Actions
1. Equal prime mover for flexion of hand @ wrist joint | 2. Assists in aBduction of the hand
84
Flexor Carpi Radialis Innervation
Median Nerve
85
Palmaris Longus Origin
Medial Epicondyle of the Humerus
86
Palmaris Longus Insertion
Palmar Aponeurosis
87
Palmaris Longus Actions
1. Helps Flex hand | 2. Tightens palmer aponeurosis of palm/helps with palmar grip
88
Palmaris Longus Innervation
Median nerve
89
Flexor Carpi Ulnaris Origin
1. Medial Epicondyle of the Humerus | 2. Olceranon Process of Ulna
90
Flexor Carpi Ulnaris Insertion
Pisiform, hamate and 5th metacarpal
91
Flexor Carpi Ulnaris Actions
1. Equal Prime mover for flexion of hand (@wrist joint) | 2. aDducts hands
92
Flexor Carpi Ulnaris innervation
Ulnar Nerve
93
Flexor Digitorum Superficialis Origin
Shaft of the Radius | Medial Epicondyle of the Humerus
94
Flexor Digitorum Superficialis Insertion
Middle Phalanges/ digits 2-5
95
Flexor Digitorum Superficialis Actions
1. Flexes PI joints of digits 2-5 | 2. Helps flex hand
96
Flexor Digitorum Superficialis Innervations
Median Nerve
97
Flexor Digitorum Profundus Origin
Interosseous membrane | Shaft of the Ulna
98
Flexor Digitorum Profundus Insertion
Distal phalanges | Digits 2-5
99
Flexor Digitorum Actions
1. Flexes the DIP joints of digits 2-5 | 2. Helps flex hand
100
Flexor Digitorum Profundus Innervation
Ulnar Nerve and Median Nerve
101
Flexor Pollicis Longus Origin
Interosseous membrane | Shaft of the Radius
102
Flexor Pollicis Longus Insertion
Distal Phalanx | Digit 1
103
Flexor Pollicis Longus Actions
Flexes the thumb (digit 1) @ IP joint
104
Flexor Pollicis Longus Innervation
Median Nerve
105
Pronator Quadratus Origin
Distal anterior | Shaft of the Ulna
106
Pronator Quadratus Insertions
Distal Anterior Shaft of the Radius
107
Pronator Quadratus Actions
1. Pronation of forearm @ the inferior radial-ulnar joint | 2. Helps stabilize the inferior-radial-ulnar joint
108
Pronator Quadratus Innervation
Median Nerve
109
Brachioradialis Origin
Lateral supracondylar ridge of the Humerus
110
Brachioradialis Insertion
Styloid Process of the Radius
111
Brachioradialis Actions
1. Helps flex forearm | 2. Pronates and supinates the forearm
112
Brachioradialis Innervation
Radial Nerve
113
Extensor Carpi Radialis Longus Origin
Lateral epicondyle of the Humerus
114
Extensor Carpi Radialis Longus Insertion
2nd Metacarpal
115
Extensor Carpi Radialis Longus Actions
1. Extend the hand | 2. ABducts the hand
116
Extensor Carpi Radialis Longus Innervation
Radial Nerve
117
Extensor Carpi Radialis Brevis Origin
Lateral epicondyle of the humerus
118
Extensor Carpi Radialis Brevis Insertion
3rd Metacarpal
119
Extensor Carpi Radialis Brevis Actions
1. Extend the hand | 2. ABduct the hand
120
Extensor Carpi Radialis Brevis Innervation
Radial Nerve
121
Extensor Digitorum (Maximus) Origin
Lateral Epicondyle of the Humerus
122
Extensor Digitorum (Maximus) Insertion
Middle Phalanx of digits 2-5
123
Extensor Digitorum (Maximus) Actions
1. Extends digits 2-5 | 2. Extend the hand
124
Extensor Digitorum (Maximus) Innervation
Radial Nerve
125
Enxtensor Digiti Minimi Origin
Lateral Epicondyle of the Humerus
126
Extensor Digiti Minimi Insertion
Proximal Phalanx of digit 5
127
Extensor Digiti Minimi Actions
Extends digit 5 (little finger)
128
Extensor Digiti Minimi Innervation
Radial Nerve
129
Extensor Carpi Ulnaris Origin
Shaft of the Ulna | Lateral Epicondyle of the Humerus
130
Extensor Carpi Ulnaris Insertion
5th Metacarpal
131
Extensor Carpi Ulnaris Actions
1. Extend the hand | 2. Helps ADduct the hand
132
Extensor Carpi Ulnaris Innervation
Radial Nerve
133
Supinator Origin
1. Lateral Epicondyle of the Humerus | 2. Supinator crest of the Ulna
134
Supinator Insertion
Shaft of the Radius
135
Supinator Actions
Supinates forearm
136
Supinator Innervation
Radial Nerve
137
ABductor Pollicis Longus Origin
Interosseus Membrane | Shaft of the Ulna and Radius
138
ABductor Pollicis Longus Insertion
1st Metacarpal
139
ABductor Pollicis Longus Actions
1. ABducts digit 1 @ CM joint
140
ABductor Pollicis Longus Innervation
Radial Nerve
141
Extensor Pollicis Brevis Origin
Interosseous membrane | Shaft of the Radius
142
Extensor Pollicis Brevis Insertion
Proximal phalanx of digit 1
143
Extensor Pollicis Brevis Actions
Extends digit at MP joint
144
Extensor Pollicis Brevis Innervation
Radial Nerve
145
Extensor Pollicis Longus Origin
Interosseous mebrane | Shaft of the Ulna
146
Extensor Pollicis Longus Insertion
Distal Phalanx of Digit 1
147
Extensor Pollicis Longus Actions
Extends digit 1 @ IP joint
148
Extensor Pollicis Longus Innervation
Radial Nerve
149
Extensor Indicis Origin
Interosseous membrane | Shaft of the Ulna
150
Extensor Indicis Insertion
Proximal phalanx of digit 2
151
Extensor Indicis Action
Extends digit 2
152
Extensor Indicis Innervation
Radial Nerve
153
Aconeus Origin
Lateral Epicondyle of the Humerus
154
Anconeus Insertion
Olecranon process of the Ulna | Posterior Proximal Shaft of the Ulna
155
Anconeus actions
Extends Forearm
156
Anconeus Innervation
Radial Nerve
157
ABductor Pollicis Brevis Origin
Trapezium and Scaphoid
158
ABductor Pollicis Brevis Insertion
Proximal phalanx of digit 1
159
ABductor Pollicis Brevis Actions
ABducts digit 1 @ MP joint
160
ABductor Pollicis Brevis Actions
Median Nerve
161
Opponens Pollicis Origin
Trapezium
162
Opponens Pollicis Insertion
1st Metacarpal
163
Opponens Pollicis Actions
Medially Rotates 1st metacarpal
164
Opponens Pollicis Innervation
Median Nerve
165
Flexor Pollicis Brevis Origin
Trapezium, Trapezoid and Capitate bones
166
Flexor Pollicis Brevis Insertion
Proximal phalanx of digit 1
167
Flexor Pollicis Brevis Action
Flexes digit 1 @ MP joint
168
Flexor Pollicis Longus Innervation
Ulnar nerve and Median Nerve
169
ADductor Pollicis Origin
1. Trapezoid, Capitate, 2nd and 3rd Metacarpals (Oblique Head) 2. 3rd Metacarpal (transverse head)
170
ADductor Pollicis Insertion
Proximal phalanx of digit 1
171
ADductor Pollicis Action
ADducts digit 1
172
ADductor Pollicis Innervation
Ulnar Nerve
173
ABductor Digiti Minimi Origin
Pisiform
174
ABductor Digiti Minimi Insertion
Proximal phalanx of digit 5
175
ABductor Digiti Minimi Action
ABducts digit 5
176
ABductor Digiti Minimi Innervation
Ulnar Nerve
177
Flexor Digiti Minimi Origin
Hamate
178
Flexor Digiti Minimi Insertion
Proximal phalanx of digit 5
179
Flexor Digiti Minimi Action
Flexes digit 5 @ MP joint
180
Flexor Digiti Minimi Innervation
Ulnar Nerve
181
Opponens Digiti Minimi Origin
Hamate
182
Opponens Digiti Minimi Insertion
5th metacarpal
183
Opponens Digiti Minimi Action
Laterally rotates 5th metacarpal
184
Opponens Digiti Minimi Innervation
Ulnar Nerve
185
Lumbricales Origin
Tendons of the Flexor Digitorum Profundus Muscle
186
Lumbricales Insertion
Tendons of the Extensor Digitorum Muscle
187
Lumbricales Actions
1. Flexes MP joints | 2. Extends IP joint
188
Lumbricales Innervation
1st and 2nd lumbricales-Median Nerve | 3rd and 4th lumbricales- Ulnar Nerve
189
Dorsal Interossei Origin
2nd, 3rd, and 4th metcarpals
190
Dorsal Interossei Insertion
Proximal phalanx of digits 2,3,4
191
Dorsal Interossei Actions
1. ABduct digits 2-4 2. Flex MP joints 3. Extend IP joints
192
Dorsal Interossei Innervation
Ulnar Nerve
193
Palmar Interossei Origin
2nd, 3rd, 4th and 5th metacarpals
194
Palmar Interossei Insertions
Proximal phalanx of digits 2, 4 and 5
195
Palmar Interossei Actions
1. ADducts digits 2, 4 and 5 2. Flex MP joints 3. Extend IP joints
196
Palmar Interossei Innervation
Ulnar Nerve

1st Trimester (4 decks)

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